/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/Convex.h
Get the plane at the specified index (e.g., indices from FindVertexPlanes)
const [TPlaneConcrete](API\Runtime\Chaos\Chaos\TPlaneConcrete)< [FReal](API\Runtime\ChaosCore\Chaos\FReal), 3 > GetPlane ( int32 FaceIndex ) const